1. Surgical
Science, Department of Surgery, Duke University Medical Center, Durham, North Carolina 27710, United States
2. School
of Dentistry, Meharry Medical College, Nashville, Tennessee 37208, United States
3. Natural
Products Research Laboratories, Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, North Carolina 27599, United States
4. Chinese
Medicine Research and Development Center, China Medical University and Hospital, Taichung, Taiwan